12 marbles because 10 marbles per bag 3 bags soooo 4*3=12
He would have sanded 30 for 30 hours
Answer:
Im pretty sure its E
Step-by-step explanation:
hope this is right
Answer:
(x,y)= (2/15, -(62/15)
Step-by-step explanation:
Answer: A is the answer good luck :)